Check out the companies making headlines after the bell Wednesday:
Box - The cloud-based storage provider reported a first-quarter loss of 28 cents a share on $66 million in revenue, topping expectations for a loss of 31 cents a share on $64 million. Box also forecast second-quarter and full-year revenue to come in above projections. Shares soared as much as 9 percent after hours.
Krispy Kreme - The coffee and doughnut chain reported first-quarter earnings of 24 cents a share, beating estimates by 2 cents. However, the company handed in revenue of $132 million, which missed projections of $136 million, while same-store sales rose 5.2 percent. Shares rose about 4 percent in extended trading.
Nike - The sports apparel maker with the NBA, making it the official on-court apparel provider. Nike shares inched up about 1 percent after hours. Shares of Under Armour, which also vied for the job, fell modestly on the news.
Amgen - An FDA advisory panel voted in favor of the biotech firm's Repatha cholesterol drug, sending shares up as much as 1 percent in extended hours trading.
JetBlue - The airline company said its load factor for May increased 0.5 percent, year over year, while primary traffic increased 8.4 percent. The stock fell about 1 percent.